The UV-light emitting diode (LED) has been attracting significant attention as a new UV
source that can replace conventional mercury gas-filled lamps in water disinfection …

Freeform optics constitutes a new technology that is currently driving substantial changes in
illumination design. It liberates designers and engineers from restrictions of optical surface …

In typical cameras the optical system is designed first; once it is fixed, the parameters in the
image processing algorithm are tuned to get good image reproduction. In contrast to this …

The industrial maturity of ultrashort pulsed lasers has triggered the development of a
plethora of material processing strategies. Recently, the combination of these remarkable …

In this paper, we proposed a general direct design method for three-dimensional freeform
surfaces and freeform imaging systems based on a construction-iteration process. In the …

The ray map** method for freeform illumination design is an easy and flexible method, but
only in the paraxial regime does it result in surface normal fields that are directly integrable …

We propose an improved double freeform-optical-surface design method for sha** a
prescribed irradiance distribution whilst forming a desired wavefront from a given incident …

Manipulating flux transportation of optical fields holds great promise across various kinds of
applications, encompassing laser micro-processing, optical trap**, microscopic imaging …

Incoherent collimated beam has a wide application, and resha** the collimated beam with
freeform optics has become a popular and challenging topic of noniamging design. In this …

We present a modified optimal transport (OT) ray-map** approach for designing freeform
illumination optics. After map** the source intensity into a virtual irradiance distribution …